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  3. All of the following types of wireless t

All of the following types of wireless t

资格题库2022-08-02  7
问题 All of the following types of wireless technology are thought to be dangerousExcept_______查看材料A.laptopsB.alarm clocksC.gaming consolesD.watches
选项 A.laptops
B.alarm clocks
C.gaming consoles
D.watches
答案 D
解析 细节题。根据第四段中的“Some researchers believe that over types of wireless technology may also be dangerous to human health，including laptops，cordless phones，and gaming consoles”司知，笔记本电脑和游戏机对人体是有害的，故排除A、c。根据第四段中的“They even suggest keeping electronic devices．such as computers and alarm clocks out of bedrooms，or at least six feet from your pillow”可知，闹钟对人体也是有害的，故排除B。故本题选D。
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